Table 2. Overall survival.
| Analysis | Intervention | N | Median OS (months) | 95% CI for median OS (months) | HR | 95% CI for HR | P-value |
|---|---|---|---|---|---|---|---|
| AVOREN study (Escudier et al, 2008; Bracarda et al, 2007; Melichar et al, 2007; Escudier et al, 2007; Bajetta et al, 2008) | |||||||
| Interim | Bevacizumab plus IFN | 327 | Not reached | — | 0.79 | 0.62–1.02 | 0.0670 |
| Placebo plus IFN | 322 | 19.8 | — | — | — | — | |
| Sunitinib vs IFN phase III trial (Motzer et al, 2007b; Motzer et al, 2007c; Figlin et al, 2008; Motzer et al, 2007a; Motzer et al, 2006) | |||||||
| Second interim | Sunitinib | 375 | Not reached | — | 0.65 | 0.45–0.94 | 0.02 |
| IFN | 375 | Not reached | — | ||||
| Final | Sunitinib | 375 | 26.4 | 23.9–32.9 | 0.821 | 0.673–1.001 | 0.051 |
| IFN | 375 | 21.8 | 17.9–26.9 | ||||
| Censored finala | Sunitinib | 375 | 26.4 | 23.0–32.9 | 0.808 | 0.661–0.987 | 0.0362 |
| IFN | 375 | 20.0 | 17.8–26.9 | ||||
| Post hoc finalb | Sunitinib | 193 | 28.1 | 19.5–NA | 0.647 | 0.483–0.870 | 0.0033 |
| IFN | 162 | 14.1 | 9.7–21.1 | ||||
Abbreviations: CI=confidence interval; HR=hazard ratio; IFN=interferon; NA=not applicable; OS=overall survival.
n=25 patients in the IFN group who crossed over to sunitinib.
Includes only those patients who received no post-study treatment.